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Mathematics Instruction	2
Problem Solving	2
Secondary Education	2
Secondary School Mathematics	2
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Trigonometry	2
Calculators	1
Discovery Learning	1
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Mathematics Teaching

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Kent, David	1
Winkles, Jim	1

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Better Mathematics and More Problem Solving with a Calculator.

Winkles, Jim – Mathematics Teaching, 1981

How the use of calculators can illuminate mathematics and improve the level of problem-solving discussion in classes is presented. (MP)

Descriptors: Calculators, Educational Technology, Graphs, Mathematical Concepts

Trigonometry, Including Snell's Theorem.

Kent, David – Mathematics Teaching, 1980

Aspects of the instruction of trigonometry in secondary school mathematics are reviewed. Portions of this document cover basic introductions, a student-developed theorem, the cosine rule, inverse functions, and a sample outdoor activity. (MP)

Descriptors: Discovery Learning, Experiential Learning, Learning Activities, Mathematics Instruction